<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<?php
			$a=10;
			echo ++$a,"<br>";
			$b=10;
			echo $b++,"<br>";
			$c=10;
			echo --$c,"<br>";
			$d=10;
			echo $d--,"<br>";
			$e=10;
			$f=++$e;
			$g=$e++;
			echo "\${$e}<br>";
			echo "\$f=$f<br>";
			echo "\$g=$g<br>";
		?>
	</body>
</html>

